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Re: The Hurd: what is it?


From: Thomas Bushnell BSG
Subject: Re: The Hurd: what is it?
Date: Wed, 09 Nov 2005 09:44:18 -0800
User-agent: Gnus/5.110004 (No Gnus v0.4) Emacs/21.4 (gnu/linux)

Marcus Brinkmann <address@hidden> writes:

> For problems with the Hurd passive translator design:
>
> http://lists.gnu.org/archive/html/l4-hurd/2005-10/msg00081.html

I would say in response to this that the only problem Marcus really
identifies here is that you can escape chroot jails with passive
translators, which is true, but also a part of the Hurd.  The Hurd
does not support chroot jails of the Linuxy/BSD sort.

That's ok, because we can make a jail a different way: by blocking the
servers you have access to.

But if you have access to the core servers, you have access to the
real system root, in many many ways.  This was a conscious design
choice, and I don't think it's problematic.

Thomas




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